Woolworth Building, boiler room looking north.

Woolworth Building, boiler room looking north.

Woolworth Building, boiler room looking N.W.

Woolworth Building, boiler room.

Woolworth Building, boiler room.

Woolworth Building. Boiler room.

Woolworth Building, boiler room from N.E. corner.

Woolworth Building, boiler room behind east boilers.

Woolworth Building. From south balcony looking toward north balcony.

Woolworth Building, north section from Broadway looking north.

Woolworth Building, air cushions, from north end looking south.

Woolworth Building, between engine and boiler room looking East.

Woolworth Building, interior, from north balcony looking toward south balcony.

Woolworth Building, boiler room from N.W. corner.

Woolworth Building, boiler room from N.W. corner.

Woolworth Building, boiler room from S.W. corner.

Woolworth Building, sub-basement central section, boiler room.

Woolworth Building, north section from Broadway looking west.

Woolworth Building, from Barclay Street looking north.

Woolworth Building, north section from Park Pl. south.